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Electromagnetic Flow Meter
Standard Flanges - AS-4087-2004 (cont'd)
DN
a
b
D
Flange dimensions - PN35 - AS-4087-2004
Size
D
a
b
f
DN
Outer diameter
Bolt diameter
Thickness
[mm]
[mm]
[mm]
[mm]
15
115
83
13
4
18
20
115
83
13
4
18
25
120
87
14
4
18
32
135
98
17
4
18
40
140
105
17
4
18
50
165
127
19
4
18
65
185
146
19
8
18
80
205
165
24
8
18
100
230
191
24
8
18
150
305
260
31
12
22
200
370
324
31
12
22
250
430
381
38
12
26
300
490
438
38
16
26
350
550
495
48
16
30
400
610
552
48
20
30
450
675
610
58
20
33
500
735
673
58
24
33
600
850
781
68
24
36
700
935
857
78
24
36
800
1060
984
84
28
36
900
1185
1105
94
32
39
1000
1275
1194
98
36
39
1200
1530
1441
108
40
42
105
No. of holes
Hole diameter
[mm]
FW: 841012/842009